Gilbert la book



' (No Model.) i

LA ROCK.

' WAGON AoKi No. 295,022. Patented Mar. 11, 1884.

ses- I I r Nv FFTERS. PMmLilhcgnphcr. WM-hinglm. DJ;

" 'UNITED STATES PATENT Finch,

GILBERT LA BOOK, OF ADAMS,.NEVV YORK, ASSIGNOR TO WVYATT A. HAM- MOND,OF SAME PLACE.

WAGON-JACK;

S- EOIFIGAT ION forming part of Letters Patent N0. 295,022, dated March11, 1884.

' Application filed August 10,1883. (No model.)

1 0 all whom it may concern:

Be it known that I, GILBERT 'LA RocK, of Adams, in the county of Jeiferson and State of New York, have invented a new and Improved\Vagon-Jack for Raising Wheels for Oiling; and I do hereby declare thatthe fQ1 lowing is a fulland exact description of the same, referencebeing had to annexed drawing, in which the figure is a sectional view ofmy improved wagon-jack. v

The nature of my invent-ion is set forth as follows: The lifting-bar isconstructed with a groove at A, which is fitted to the'end of the lever,(marked B, to which is attached at O a toggle-joint of iron,which isworked by means groove at A, the togglejoint is caused to movesimultaneously and slide the key or wedge under the bottom of thefulcrumed lifting-bar at H (which is cut on a bevel to suit the key) andraise the stepped lifting-bar car- .rying the wheel to be oiled.

Vhat. I claim as my invention, and desire to secure by'Letters Patent,is-

The lever. B, provided with the togglejoint D E and wedge F, incombination with the lifting-bar grooved at A, to act as a fulcrum,

,and provided with steps to receive the weigh to be lifted. e

GILBERT LA ROCK.

\Vitnesses:

\VM. H. H. TAYLOR, I. O. SNOW.

